Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L View cart “Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH” has been added to your cart. Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L$8500 $7561 Out of stock SKU: OA004 Category: Accessory-Silencer Accessories Product ID: 30576 Description Description M13.5X1 LH Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 $7561